[1]
F. Ihlenburg and I. Babuška, “Solution of Helmholtz problems by knowledge-based FEM”, Comp. Assist. Methods Eng. Sci., vol. 4, no. 3-4, pp. 397–415, Jun. 2023, Accessed: Jun. 30, 2025. [Online]. Available: https://cames.ippt.pan.pl/index.php/cames/article/view/1381